108536490: Initial effort to implement log in

Add endpoint for post to /sign-in
Initialise role data

app/main/dao/users_dao.py

@@ -1,8 +1,10 @@
 from app import db
 from app.models import Users
+from app.main.encryption import encrypt
 
 
 def insert_user(user):
+    user.password = encrypt(user.password)
     db.session.add(user)
     db.session.commit()
 
@@ -13,3 +15,7 @@ def get_user_by_id(id):
 
 def get_all_users():
     return Users.query.all()
+
+
+def get_user_by_email(email_address):
+    return Users.query.filter_by(email_address=email_address).first()